Arcadia Public Library

Hard-up Russia expert Dr. Sam Gaddis finally has a lead for a book that could set his career back on track. He has staggering new information about an unknown sixth member of the infamous Cambridge spy ring -- a man who has evaded detection for his entire life. But when his source suddenly dies, Gaddis is left with just shreds of his investigation, and no idea that he is already in too deep.

"Thomas Kell thought he was done with spying. A former MI6 officer, he devoted his life to the Service, but it has left him with nothing but grief and a simmering anger against the Kremlin. Then Kell is offered an unexpected chance at revenge. Taking the law into his own hands, he embarks on a mission to recruit a top Russian spy who is in possession of a terrifying secret. As Kell tracks his man from Moscow to London, he finds himself in a high stakes...

When Amelie Levene, who in six weeks is due to take over as the first female Chief of MI6, disappears without a trace while in the south of France, it is the gravest crisis MI6 has faced in more than a decade. Britain's top intelligence agents turn to one of their own: disgraced former MI6 officer Thomas Kell. The trail leads Kell to France and Tunisia, where he uncovers a shocking secret and a conspiracy that could have unimaginable repercussions...